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Finding the Fourth Proportional to 565.72, 847.43 and 549.32

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Solution

The fourth proportional to 565.72, 847.43 and 549.32 is: 822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.72 : 847.43 = 549.32 : x
  2. Step 2: Convert to fraction form
    565.72/847.43 = 549.32/x
  3. Step 3: Cross multiply
    565.72x = 847.43 × 549.32
  4. Step 4: Simplify right side
    565.72x = 465,505.32
  5. Step 5: Solve for x
    x = 465,505.32/565.72
  6. Step 6: Final answer
    x = 822.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.